/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterface.h
Context for pre and post stage ticks for DIs on the CPU. A similar tick flow also occurs for stages on the GPU via the proxy and dispatcher.
struct FNDICpuPrePostStageContext
float
DeltaSeconds
void *
PerInstanceData
FNiagaraSystemI...
SystemInstance
ENiagaraScriptU...
Usage